61. Exploration activities assessment Bow Valley Energy Period Deep structural deformation associated to plateform faults After Soquip period Shell / Corridor Period Hydrothermal dolomites Corridor, HQPG, Junex Period Hydrothermal dolomites Silurian Reefs Amque, Junex, Petrolia, Talisman Period Hydrothermal Dolomites “ Shale Gas” hectares In 2007, Olitra Period, a new way of finding: less cost, more efficiency